package com.xiongya.sell.controller;

import com.xiongya.sell.Exception.SellException;
import com.xiongya.sell.enums.ResultEnums;
import lombok.extern.slf4j.Slf4j;
import me.chanjar.weixin.common.api.WxConsts;
import me.chanjar.weixin.common.error.WxErrorException;
import me.chanjar.weixin.mp.api.WxMpService;
import me.chanjar.weixin.mp.bean.result.WxMpOAuth2AccessToken;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;

/**
 * @Author xiongzhilong
 * @Email 2584496774@qq.com
 * @Date create by 2019-05-13 09:53
 */
@Controller
@RequestMapping("/wechat")
@Slf4j
public class WechatController {

    @Autowired
    private WxMpService wxMpService;

    @GetMapping("/authorize")
    public String authorize(@RequestParam("returnUrl") String returnUrl){

        String url = "http://xiongzhilong.natapp1.cc/sell/wechat/userInfo";
        String redirectUrl = wxMpService.oauth2buildAuthorizationUrl(url, WxConsts.OAuth2Scope.SNSAPI_USERINFO, returnUrl);
        return "redirect:" + redirectUrl;
    }

    @GetMapping("/userInfo")
    public String userInfo(@RequestParam("code") String code, @RequestParam("state") String returnUrl){

        WxMpOAuth2AccessToken wxMpOAuth2AccessToken = new WxMpOAuth2AccessToken();
        try{
            wxMpOAuth2AccessToken = wxMpService.oauth2getAccessToken(code);
        }catch(WxErrorException e){
            log.error("【微信网页授权】{}", e);
            throw new SellException(ResultEnums.WECHAT_MP_ERROR.getCode(), e.getError().getErrorMsg());
        }

        String openId = wxMpOAuth2AccessToken.getOpenId();

        return "redirect:" + returnUrl + "?openid=" + openId;
    }



}
